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Preparation and characterization of EVAL hollow fiber membrane adsorbents filled with cation exchange

Fengli ZHANG, Yuzhong ZHANG, Hong LI, Guangfen LI,

Frontiers of Chemical Science and Engineering 2009, Volume 3, Issue 4, Pages 462-467 doi: 10.1007/s11705-009-0011-1

Abstract: EVAL hollow fiber membrane adsorbents filled with powder D061-type cation exchange resin were preparedthrough dry-wet spinning process, using hydrophilic copolymer EVAL as the fiber substrate.The results showed that EVAL hollow fiber membrane adsorbents filled with D061-type cation exchange resins

Keywords： substrate copolymer EVAL exchange EVAL hollow resin-filled content

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Preparation of polyvinylpyrrolidone / poly(ethylene-co-vinyl alcohol) blend membranes and the oil/water separation performance

Bai Yunxiang,Wu Guoliang,Zhang Chunfang,Gu Jin,Sun Yuping

Strategic Study of CAE 2014, Volume 16, Issue 7, Pages 79-83

Abstract: alcohol) (EVAL) via immersion precipitation and were used to separate the oil/water emulsion.The chemical structure, morphology, mechanical performance and hydrophilicity of PVP/EVAL blend membranesThe results indicate that PVP content had distinct effect on the morphology of PVP/EVAL membranes.times that of the pure EVAL membrane.The rejection ratio was 92.2 %, slightly higher than the pure EVAL membranes.

Keywords： PVP EVAL blend membrane oil/water separation immersion precipitation